The Secretary shall establish general policy for, and adopt standards to promote and guide the development of, the physical and mental health services of this State and its subdivisions. The Secretary is responsible for the health interests of the people of this State and shall supervise generally the administration of the health laws of this State and its subdivisions. The Secretary shall adopt and revise as necessary a State health improvement plan that includes the following: A description of the components that should comprise the health care system; The goals and policies for Maryland’s health care system; Identification of unmet needs and excess services for facilities and services not regulated by the certificate of need program; and An assessment of the financial resources required and available for the health care system.